NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

BBC Weather Watchers have been treated this week to red skies at night in the mornings - and unusual cloud formations. Lenticular clouds could be seen widely across Scotland over the past few days.

"So what happens is the blue light kind of disappears and gets scattered all over the place and you’re left with a band of red light which hits the clouds. "The cloud is higher up, so its sunset ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...